小白怎么做网站,外贸自建站有哪些,h5制作易企秀,做英文网站赚钱题目链接
f(1) 1f(2) 1 1 2f(3) 1 2 1 4f(4) 1 2 4 1 8
所以 f(n) 2 n − 1 ^{n-1} n−1
import java.util.Scanner;public class Solution {public int jumpFloorII(int target) {return 1 (target - 1);}
}题目链接
f(1) 1f(2) 1 1 2f(3) 1 2 1 4f(4) 1 2 4 1 8
所以 f(n) 2 n − 1 ^{n-1} n−1
import java.util.Scanner;public class Solution {public int jumpFloorII(int target) {return 1 (target - 1);}
}
